Fermat's Libraryで出ていた以下を確認します。 Liouville proved the following property of the divisors of the divisors of a number: 1) Start with a number (e.g. 10) 2) Write down its divisors (1,2,5,10) 3) Write down the number of divisors of each divisor (1,2,2,4) 4) (1+2+2+4)²=81=1³+2³+2³+4³
Liouville proved the following property of the divisors of the divisors of a number:
1) Start with a number (e.g. 10)
2) Write down its divisors (1,2,5,10)
3) Write down the number of divisors of each divisor (1,2,2,4)
4) (1+2+2+4)²=81=1³+2³+2³+4³